81310040000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{290393}}^1$

素因数の和:290432

約数の個数: 140

約数和(自身を含む): 230426477424

約数和(自身を除く): 149116437424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1600, 1750, 2000, 2240, 2500, 2800, 3500, 4000, 4375, 5000, 5600, 7000, 8000, 8750, 10000, 11200, 14000, 17500, 20000, 28000, 35000, 40000, 56000, 70000, 140000, 280000, 290393, 580786, 1161572, 1451965, 2032751, 2323144, 2903930, 4065502, 4646288, 5807860, 7259825, 8131004, 9292576, 10163755, 11615720, 14519650, 16262008, 18585152, 20327510, 23231440, 29039300, 32524016, 36299125, 40655020, 46462880, 50818775, 58078600, 65048032, 72598250, 81310040, 92925760, 101637550, 116157200, 130096064, 145196500, 162620080, 181495625, 203275100, 232314400, 254093875, 290393000, 325240160, 362991250, 406550200, 464628800, 508187750, 580786000, 650480320, 725982500, 813100400, 1016375500, 1161572000, 1270469375, 1451965000, 1626200800, 2032751000, 2323144000, 2540938750, 2903930000, 3252401600, 4065502000, 5081877500, 5807860000, 8131004000, 10163755000, 11615720000, 16262008000, 20327510000, 40655020000, 81310040000]

約数ペア:

[(1, 81310040000), (2, 40655020000), (4, 20327510000), (5, 16262008000), (7, 11615720000), (8, 10163755000), (10, 8131004000), (14, 5807860000), (16, 5081877500), (20, 4065502000), (25, 3252401600), (28, 2903930000), (32, 2540938750), (35, 2323144000), (40, 2032751000), (50, 1626200800), (56, 1451965000), (64, 1270469375), (70, 1161572000), (80, 1016375500), (100, 813100400), (112, 725982500), (125, 650480320), (140, 580786000), (160, 508187750), (175, 464628800), (200, 406550200), (224, 362991250), (250, 325240160), (280, 290393000), (320, 254093875), (350, 232314400), (400, 203275100), (448, 181495625), (500, 162620080), (560, 145196500), (625, 130096064), (700, 116157200), (800, 101637550), (875, 92925760), (1000, 81310040), (1120, 72598250), (1250, 65048032), (1400, 58078600), (1600, 50818775), (1750, 46462880), (2000, 40655020), (2240, 36299125), (2500, 32524016), (2800, 29039300), (3500, 23231440), (4000, 20327510), (4375, 18585152), (5000, 16262008), (5600, 14519650), (7000, 11615720), (8000, 10163755), (8750, 9292576), (10000, 8131004), (11200, 7259825), (14000, 5807860), (17500, 4646288), (20000, 4065502), (28000, 2903930), (35000, 2323144), (40000, 2032751), (56000, 1451965), (70000, 1161572), (140000, 580786), (280000, 290393)]